Me & Roboco: The Movie

Something sinister's afoot in Kasukabe. Shin-chan doesn't know what it is, but he's pretty sure it involves samba-dancing doppelgängers.

Everyone's favorite TV superhero Action Mask shows up in Kasukabe, and he's trying to get something from Shin-chan -- but what could it be?

The special takes place during the two year before the Straw Hats reunite on Sabody. Luffy is currently in Rusukaina training to get stronger to take on the New World. However the training is interrupted when Hancock's sisters, Marigold and Sandersonia, are kidnapped by the Byrnndi World, a pirate who was locked away on Level 6 of Impel Down but escaped during Luffy's invasion to save Ace, in order to lure Hancock to him and use her as a hostage against the World Government due to her Shichibukai status. Thus Luffy and Hancock head off to confront him and save Hancock's sisters.

The Noharas get caught between two rival clans when Himawari swallows a pretty bead that turns out to be a mysterious ball with hidden powers.

The Noharas win a vacation to the Kingdom of Buri Buri -- but the whole thing was just a clever ploy by an evil organization to kidnap Shin-chan!